Genesis 30:40

30:40 Jacob removed these lambs, but he made the rest of the flock face the streaked and completely dark-colored animals in Laban’s flock. So he made separate flocks for himself and did not mix them with Laban’s flocks.

Genesis 27:9

27:9 Go to the flock and get me two of the best young goats. I’ll prepare them in a tasty way for your father, just the way he loves them.

Genesis 31:12

31:12 Then he said, ‘Observe that all the male goats mating with the flock are streaked, speckled, or spotted, for I have observed all that Laban has done to you.